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URL: https://oeis.org/A207155

⇱ A207155 - OEIS

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A207155
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,5,2,0,0,1,0 for x=0,1,2,3,4,5,6.
0
1, 2, 11, 106, 1899, 64973, 4349876, 549052024, 133443751524, 62140758790253
OFFSET
1,2
COMMENTS
Every 0 is next to 0 5's, every 1 is next to 1 5's, every 2 is next to 2 2's, every 3 is next to 3 0's, every 4 is next to 4 0's, every 5 is next to 5 1's, every 6 is next to 6 0's
EXAMPLE
Some solutions with all values from 0 to 6 for 7X7X7
........2..............0..............0..............2..............0
.......2.2............3.3............0.0............2.2............3.0
......0.0.0..........0.0.0..........0.0.4..........3.0.0..........0.2.2
.....0.6.0.0........0.0.2.2........0.6.0.0........0.0.6.0........4.0.2.1
....3.0.0.1.1......0.6.0.2.1......2.0.0.3.1......1.3.0.0.3......0.0.1.5.1
...0.4.2.2.5.1....4.0.0.1.5.1....2.2.4.1.5.1....1.5.1.4.0.3....0.6.0.1.1.2
..0.0.0.2.1.1.0..0.0.0.0.1.1.0..0.0.0.0.1.1.0..0.1.1.0.3.0.0..0.0.0.0.0.2.2
CROSSREFS
Sequence in context: A380673 A118805 A198001 * A292566 A365106 A053988
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 15 2012
STATUS
approved